Home / 43,921.60-65,888.79-14,332.15

Finding the Fourth Proportional to 43,921.60, 65,888.79 and 14,332.15

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Solution

The fourth proportional to 43,921.60, 65,888.79 and 14,332.15 is: 21,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,921.60 : 65,888.79 = 14,332.15 : x
  2. Step 2: Convert to fraction form
    43,921.60/65,888.79 = 14,332.15/x
  3. Step 3: Cross multiply
    43,921.60x = 65,888.79 × 14,332.15
  4. Step 4: Simplify right side
    43,921.60x = 944,328,021.60
  5. Step 5: Solve for x
    x = 944,328,021.60/43,921.60
  6. Step 6: Final answer
    x = 21,500.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.